Package org.apache.camel.util.function

Class Predicates

java.lang.Object

org.apache.camel.util.function.Predicates

public final class Predicates
extends Object

Predicate helpers, inspired by http://minborgsjavapot.blogspot.it/2016/03/put-your-java-8-method-references-to.html

Method Summary

Modifier and Type	Method	Description
static <T> Predicate<T>	negate(Predicate<T> predicate)	Negates a predicate, useful for method references.
static <T> Predicate<T>	of(Predicate<T> predicate)	Wrap a predicate, useful for method references.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

of

public static <T> Predicate<T> of(Predicate<T> predicate)

Wrap a predicate, useful for method references.

negate

public static <T> Predicate<T> negate(Predicate<T> predicate)

Negates a predicate, useful for method references.

 Stream.of("A", "", "B")
         .filter(Predicates.negate(String::isEmpty))
         .count();